Instituto Adolfo Lutz IAL Adolfo Lutz Institute

São Paulo, Brazil

Instituto Adolfo Lutz IAL Adolfo Lutz Institute

São Paulo, Brazil
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Framil V.M.S.,Dermatology Clinic | Melhem M.S.C.,Instituto Adolfo Lutz IAL Adolfo Lutz Institute | Szeszs M.W.,Instituto Adolfo Lutz IAL Adolfo Lutz Institute | Zaitz C.,Dermatology Clinic
Anais Brasileiros de Dermatologia | Year: 2011

Background: Pytiriasis versicolor is an infectious disease caused by several Malassezia species which has a tendency to become relapsing or chronic. Objectives: This study was conducted in an attempt to investigate the clinical course of pityriasis versicolor with regard to the number of relapses after a 12-month therapy and correlate this number with isolates of Malassezia species. Material and Methods: 102 patients with clinical and laboratory diagnosis of pityriasis versicolor were monitored for 12 months to investigate the number of relapsing episodes of the disease. Results: After appropriate treatment, pityriasis versicolor presented three types of clinical course: pity - riasis versicolor without relapsing episodes (32.35%), relapsing pityriasis versicolor with one to four relapsing episodes (52.94%) due to associated predisposing factors, and chronic pityriasis versicolor with more than four relapsig episodes (14.70%) with no relation to predisposing factors. Conclusions: The clinical course of pityriasis versicolor varied according to the number of relapsing episodes of the disease analyzed over a period of 12 months and can be classified as follows: pityriasis versiolor with clinical and mycological clearing, relapsing pityriasis versicolor and chronic pityriasis versicolor. © 2011 by Anais Brasileiros de Dermatologia.

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